CN105340904A - Mesotrione-atrazine water suspension - Google Patents
Mesotrione-atrazine water suspension Download PDFInfo
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- CN105340904A CN105340904A CN201510732481.XA CN201510732481A CN105340904A CN 105340904 A CN105340904 A CN 105340904A CN 201510732481 A CN201510732481 A CN 201510732481A CN 105340904 A CN105340904 A CN 105340904A
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- CN
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- Prior art keywords
- mesotrione
- atrazine
- phase system
- water
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000007900 aqueous suspension Substances 0.000 title claims abstract description 28
- 239000005578 Mesotrione Substances 0.000 claims abstract description 44
- KPUREKXXPHOJQT-UHFFFAOYSA-N mesotrione Chemical compound [O-][N+](=O)C1=CC(S(=O)(=O)C)=CC=C1C(=O)C1C(=O)CCCC1=O KPUREKXXPHOJQT-UHFFFAOYSA-N 0.000 claims abstract description 44
- MXWJVTOOROXGIU-UHFFFAOYSA-N atrazine Chemical compound CCNC1=NC(Cl)=NC(NC(C)C)=N1 MXWJVTOOROXGIU-UHFFFAOYSA-N 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 239000000375 suspending agent Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000003921 oil Substances 0.000 claims description 16
- 239000008346 aqueous phase Substances 0.000 claims description 13
- 239000013530 defoamer Substances 0.000 claims description 5
- 230000001804 emulsifying effect Effects 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 5
- 230000002335 preservative effect Effects 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 239000000575 pesticide Substances 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000005338 heat storage Methods 0.000 description 5
- QYDYPVFESGNLHU-UHFFFAOYSA-N elaidic acid methyl ester Natural products CCCCCCCCC=CCCCCCCCC(=O)OC QYDYPVFESGNLHU-UHFFFAOYSA-N 0.000 description 4
- QYDYPVFESGNLHU-KHPPLWFESA-N methyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC QYDYPVFESGNLHU-KHPPLWFESA-N 0.000 description 4
- 229940073769 methyl oleate Drugs 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- QYYMDNHUJFIDDQ-UHFFFAOYSA-N 5-chloro-2-methyl-1,2-thiazol-3-one;2-methyl-1,2-thiazol-3-one Chemical compound CN1SC=CC1=O.CN1SC(Cl)=CC1=O QYYMDNHUJFIDDQ-UHFFFAOYSA-N 0.000 description 3
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 229920001285 xanthan gum Polymers 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- QSLPNSWXUQHVLP-UHFFFAOYSA-N $l^{1}-sulfanylmethane Chemical compound [S]C QSLPNSWXUQHVLP-UHFFFAOYSA-N 0.000 description 1
- 208000019300 CLIPPERS Diseases 0.000 description 1
- RMFGNMMNUZWCRZ-UHFFFAOYSA-N Humulone Natural products CC(C)CC(=O)C1=C(O)C(O)(CC=C(C)C)C(O)=C(CC=C(C)C)C1=O RMFGNMMNUZWCRZ-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- VMSLCPKYRPDHLN-NRFANRHFSA-N humulone Chemical compound CC(C)CC(=O)C1=C(O)C(CC=C(C)C)=C(O)[C@@](O)(CC=C(C)C)C1=O VMSLCPKYRPDHLN-NRFANRHFSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the field of pesticide and relates to a mesotrione-atrazine water suspension. A mesotrione oil phase system prepared by an organic solvent and a dispersant is dissolved in an atrazine suspension water phase system so that a water suspending agent is formed. A mass percentage ratio of the oil phase system to the water phase system is 1: 7-10. Mesotrione is ground and processed to form an oil phase system by the organic solvent and the carefully chosen dispersant, and the oil phase system is added and dispersed in the atrazine suspension water phase system so that the mesotrione-atrazine water suspension is formed. Mesotrione is isolated from an atrazine water phase system by an oil film so that a decomposition rate of mesotrione in the water phase system is reduced because of oil film protection of the mesotrione surface and the problem of severe decomposition of mesotrione in water is solved.
Description
Technical field
The invention belongs to pesticide field, relate to a kind of mesotrione and atrazine aqueous suspension agent.
Background technology
Mesotrione atrazine aqueous suspension agent (SC) is a kind of conventional weed killer herbicide.It is low to there is content in the aqueous suspension agent of current mesotrione and atrazine, and there is the phenomenon of severe decomposition in mesotrione in water-based system, be difficult to reach the requirement that agricultural chemicals 2 years resolution ratios are less than 5%, and a lot of producer is processed into oil-suspending agent on the market, but content is lower, and cost is higher.
Summary of the invention
It is higher that technical problem to be solved by this invention is to provide a kind of composite content, and can the mesotrione of resistant to hydrolysis and atrazine aqueous suspension agent.
Technical problem to be solved by this invention is achieved by the following technical programs:
A kind of mesotrione and atrazine aqueous suspension agent, be that the oil-based system that mesotrione is formed by organic solvent and dispersant is dissolved in the aqueous suspension agent formed in the aqueous phase system of atrazine suspending agent, the mass percent of described oil-based system and aqueous phase system is 1:7 ~ 10.
Further, in described oil-based system, the mass percent concentration of mesotrione is 45-50%.
Further, described oil-based system is made up of the component of following mass percent: mesotrione 50%, organic solvent 40-45%, emulsifying dispersant 5-10%.
Further, in described aqueous phase system, the mass percent concentration of atrazine is 50-58%.
The aqueous phase system of described atrazine suspending agent is made up of the component of following mass percent: atrazine 55.5%, wetting dispersing agent 1-5%, thickener 0.05-1%, antifreezing agent 1-4%, defoamer 0.1-0.2%, and preservative 0.2-0.6%, water complements to 100%.
The preparation method of above-mentioned mesotrione and atrazine aqueous suspension agent, by preparation process is: (1), by mesotrione and organic solvent and dispersant homogeneous, sand mill grinding particle diameter D98≤4 μm, obtain system A; (2) prepare atrazine suspending agent, make material particular diameter D98≤4 μm, obtain system B; (3) by system B dispersed with stirring fast, and system A is joined in system B in proportion slowly, system A and system B is mixed.
In above-mentioned material, emulsifying dispersant plays the effect of emulsification organic solvent and dispersion mesotrione solid particle, and sp-OF3463(specifically can be selected to hold up space), sp-OF3472B(holds up space), the benefit agriculture of GY-OD01(wide source), YUS-EC2200 (this grease of bamboo), YUS-EP60P (this grease of bamboo).Organic solvent is that the medium of the former medicine of parcel mesotrione solid can use methyl oleate, soybean oil, castor oil, mineral oil.Wetting dispersing agent can use sp-2700, the conventional aqueous suspension agent dispersion moisture agent such as sp-sc3.Thickener can use xanthans, aluminium-magnesium silicate, attapulgite.Preservative: Sodium Benzoate, Kathon CG.Antifreezing agent can make spent glycol, glycerine.Defoamer uses silicone defoaming agent.
The present invention by advance by mesotrione by organic solvent and the dispersant chosen, its attrition process is become the oil-based system of 50% concentration, disperse in the water-based system this oil-based system being joined 55.5% ground atrazine suspending agent, thus to make most high-load be 55% mesotrione atrazine aqueous suspension agent preparation, make mesotrione in atrazine water-based system, spaced apart by one deck oil film, because mesotrione surface has oil film protection, thus slow down the decomposition of mesotrione in aqueous phase system, solve mesotrione in water, decompose serious shortcoming, decrease the consumption of organic solvent simultaneously, and formulation is still aqueous suspension agent, there is the plurality of advantages that aqueous suspension agent has.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
embodiment 1
55% mesotrione atrazine aqueous suspension agent
Total inventory: 100kg
step one, making system A
Total amount: 10kg
Material forms: mesotrione (content 96%) 5.2kg, sp-OF34631.5kg, sp-OF3472B0.2kg, methyl oleate 3.1kg.
Preparation method:
1. drop into 3.1kg methyl oleate in stirred tank, suction sp-OF34631.5kg and sp-OF3472B0.2kg, carries out stirring 20min, dispersant is fully mixed with methyl oleate respectively.
2. the former medicine of mesotrione (content 96%) 5.2kg is put in the material mixed in step 1, drop into while stirring, Keep agitation 30min, then homogenizer homogeneous 30min.
3. above-mentioned material good for homogeneous is pumped into sand mill to grind, repeatedly grind particle diameter Testing index and reach D98≤4 μm.Wait for that next step utilizes.
step 2, making system B
Total amount: 90kg
Material forms: atrazine (mass fraction 96%) 52.1kg, sp-27003.6kg, sp-sc30.9kg, ethylene glycol 3.6kg, 15000.18kg, xanthans 0.09kg, aluminium-magnesium silicate 0.18kg, Kathon CG 0.18kg, water 29.17kg
Preparation method:
1. drop into 20.17kg water in stirred tank, suction sp-27003.6kg, sp-sc30.9kg and ethylene glycol 3.6kg, carries out stirring 20min, material is fully mixed with water respectively.
2., by the mixed liquor of step in atrazine (mass fraction 96%) 52.1kg input, carry out stirring and homogeneous 30min.
3. by scattered material, carry out sand mill grinding, grinding particle diameter D98≤4 μm.
4. the suction of 9kg water is joined in glue tank, and drop into xanthans 0.09kg, aluminium-magnesium silicate 0.18kg, Kathon CG 0.18kg, carry out high speed dispersion.
5. the material of the 4th step is joined slowly in the material of the 3rd step gained, and add 15000.18kg clipper and shear, obtain system B.
step 3, system A and B mix
1. material B is carried out stirring at low speed, while stirring, join wherein slowly by material A, controlling to add speed is 1kg/min.After adding, the mixture of system A and system B is stirred 30min.
2. by the material of the 1st step gained through row filter after, obtain final 55% mesotrione atrazine aqueous suspension agent 100kg.
interpretation of result
With commercially available conventional methyl sulphur humulone and atrazine aqueous suspension agent sample in contrast.Used test method is universal method in the industry, no longer describes in detail at this.
Testing index is as following table:
As seen from the above table, heat storage stability index of the present invention is excellent.Recording resolution ratio is 0.3%, is significantly less than index request, and the resolution ratio of control sample is 8.9%, and heat storage stability is defective.
embodiment 2
The present embodiment mesotrione and atrazine aqueous suspension agent are made up of oil-based system A and aqueous phase system B, and the mass ratio of two systems is 1:8.
Wherein, oil-based system A is by mass percentage by mesotrione (content 96%) 47%, and soybean oil 45%, emulsifying dispersant GY-OD018% forms.
Aqueous phase system B is atrazine (mass fraction 96%) 55.5%, wetting dispersing agent sp-sc31-5%, thickener 0.05-1%, antifreezing agent 1-4%, defoamer 0.1-0.2%, and preservative 0.2-0.6%, water complements to 100%.
System A, system B and whole mesotrione identical with embodiment 1 with the preparation method of atrazine aqueous suspension agent, be not repeated.
The heat storage stability test result of the present embodiment products obtained therefrom is as follows:
embodiment 3
The present embodiment mesotrione and atrazine aqueous suspension agent are made up of oil-based system A and aqueous phase system B, and the mass ratio of two systems is 1:10.
Wherein, oil-based system A is by mass percentage by mesotrione (content 96%) 50%, and castor oil 45%, emulsifying dispersant YUS-EC22005% forms.
Aqueous phase system B is atrazine (mass fraction 96%) 58%, wetting dispersing agent sp-sc31-5%, thickener 0.05-1%, antifreezing agent 1-4%, defoamer 0.1-0.2%, and preservative 0.2-0.6%, water complements to 100%.
System A, system B and whole mesotrione identical with embodiment 1 with the preparation method of atrazine aqueous suspension agent, be not repeated.
The heat storage stability test result of the present embodiment products obtained therefrom is as follows:
Heat storage stability is qualified.
Claims (5)
1. a mesotrione and atrazine aqueous suspension agent, it is characterized in that: be that the oil-based system that mesotrione is formed by organic solvent and dispersant is dissolved in the aqueous suspension agent formed in the aqueous phase system of atrazine suspending agent, the mass percent of described oil-based system and aqueous phase system is 1:7 ~ 10.
2. mesotrione according to claim 1 and atrazine aqueous suspension agent, is characterized in that: in described oil-based system, the mass percent concentration of mesotrione is 45-50%.
3. mesotrione according to claim 2 and atrazine aqueous suspension agent, is characterized in that, described oil-based system is made up of the component of following mass percent: mesotrione 50%, organic solvent 40-45%, emulsifying dispersant 5-10%.
4. mesotrione according to claim 1 and atrazine aqueous suspension agent, is characterized in that: in described aqueous phase system, the mass percent concentration of atrazine is 50-58%.
5. mesotrione according to claim 4 and atrazine aqueous suspension agent, it is characterized in that, described aqueous phase system is made up of the component of following mass percent: atrazine 55.5%, wetting dispersing agent 1-5%, thickener 0.05-1%, antifreezing agent 1-4%, defoamer 0.1-0.2%, preservative 0.2-0.6%, water complements to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732481.XA CN105340904A (en) | 2015-11-02 | 2015-11-02 | Mesotrione-atrazine water suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732481.XA CN105340904A (en) | 2015-11-02 | 2015-11-02 | Mesotrione-atrazine water suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105340904A true CN105340904A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732481.XA Pending CN105340904A (en) | 2015-11-02 | 2015-11-02 | Mesotrione-atrazine water suspension |
Country Status (1)
| Country | Link |
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| CN (1) | CN105340904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561669A (en) * | 2016-11-10 | 2017-04-19 | 陕西上格之路生物科学有限公司 | Ternary weeding composition |
| CN107593721A (en) * | 2017-10-19 | 2018-01-19 | 中国农业科学院麻类研究所 | A kind of method, defoliant and its application of hemp disleave |
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| CN1897811A (en) * | 2003-12-05 | 2007-01-17 | 辛根塔参与股份公司 | Submicron mesotrione compositions |
| CN101904336A (en) * | 2009-06-05 | 2010-12-08 | 丹东市农药总厂 | Composition of corn field herbicides |
| CN102823600A (en) * | 2012-09-25 | 2012-12-19 | 北京燕化永乐农药有限公司 | Weeding composition |
| CN103340203A (en) * | 2013-07-17 | 2013-10-09 | 江苏龙灯化学有限公司 | Synergistic herbicide composition |
| CN103340205A (en) * | 2013-07-17 | 2013-10-09 | 江苏龙灯化学有限公司 | Synergistic herbicide composition and application method thereof |
| CN103858892A (en) * | 2014-03-04 | 2014-06-18 | 山东潍坊润丰化工股份有限公司 | Weeding composition containing atrazine and mesotrione and application thereof |
| CN105165841A (en) * | 2015-09-08 | 2015-12-23 | 惠州市银农科技股份有限公司 | Mesotrione and atrazine combination aqueous suspending agent and preparation method thereof |
-
2015
- 2015-11-02 CN CN201510732481.XA patent/CN105340904A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897811A (en) * | 2003-12-05 | 2007-01-17 | 辛根塔参与股份公司 | Submicron mesotrione compositions |
| CN101904336A (en) * | 2009-06-05 | 2010-12-08 | 丹东市农药总厂 | Composition of corn field herbicides |
| CN102823600A (en) * | 2012-09-25 | 2012-12-19 | 北京燕化永乐农药有限公司 | Weeding composition |
| CN103340203A (en) * | 2013-07-17 | 2013-10-09 | 江苏龙灯化学有限公司 | Synergistic herbicide composition |
| CN103340205A (en) * | 2013-07-17 | 2013-10-09 | 江苏龙灯化学有限公司 | Synergistic herbicide composition and application method thereof |
| CN103858892A (en) * | 2014-03-04 | 2014-06-18 | 山东潍坊润丰化工股份有限公司 | Weeding composition containing atrazine and mesotrione and application thereof |
| CN105165841A (en) * | 2015-09-08 | 2015-12-23 | 惠州市银农科技股份有限公司 | Mesotrione and atrazine combination aqueous suspending agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561669A (en) * | 2016-11-10 | 2017-04-19 | 陕西上格之路生物科学有限公司 | Ternary weeding composition |
| CN107593721A (en) * | 2017-10-19 | 2018-01-19 | 中国农业科学院麻类研究所 | A kind of method, defoliant and its application of hemp disleave |
| WO2019076112A1 (en) * | 2017-10-19 | 2019-04-25 | 中国农业科学院麻类研究所 | Method for defoliating hemp, defoliant and application thereof |
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